DC Motor: N20 Metal-Geared Dummy (common)
thingiverse
What do you have, on YOUR to-do list? Here is one, removed from mine. Like the freewheeling 020, a begeared N20 is my "perfect storm" when designing small, motorized, contraptions. Surprizingly fast when used on my Mark I and Medieval 2-Wheel vehicles, I decided to share a drop-in design so as to avoid all of those nasty, redundant, squints & re-calculations. The D Shaft is 9.5 mm long, 3mm wide, with 0.5mm of the top. An extremely common size, the form-factor is available online for $1.50 - $2.50 each. There are 3V-6V (fav,) 9V, and even a few 12V engines available. Typically RMP <= 120. Enjoy?
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